Behavioral task
behavioral1
Sample
2024-05-29_48af515597813b974a6d802a65c8834c_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-29_48af515597813b974a6d802a65c8834c_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-29_48af515597813b974a6d802a65c8834c_cryptolocker
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Size
57KB
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MD5
48af515597813b974a6d802a65c8834c
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SHA1
2700557648ad0993c3c4abab646b6edf3a43ce88
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SHA256
a2f1bcab666d94659aae09ff3c765157226ff3584316af6cf4bb7585a9b32837
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SHA512
a1cc47ccf97202176b8cb98d4bf55c9729a5f40198c0221b7533e6dc4126765c8861d1152f214a8b669d4b150306d6b3829de6702170cecc0159dc38b6003381
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+0:bP9g/xtCS3Dxx0J0
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-29_48af515597813b974a6d802a65c8834c_cryptolocker
Files
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2024-05-29_48af515597813b974a6d802a65c8834c_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE